I will expel them little by little from your sight, until you have expanded and may possess the land
Other versions
King James Version
By little and little I will drive them out from before thee, until thou be increased, and inherit the land.English Standard Version
Little by little I will drive them out from before you, until you have increased and possess the land.New International Version
Little by little I will drive them out before you, until you have increased enough to take possession of the land.